Install go version using the setup-go@v5 action (#14554)

Also update the version of the checkout action to avoid a warning

.github/workflows/nightly.yaml

@@ -26,7 +26,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         # needed for git commit history
         fetch-depth: 0
@@ -40,6 +40,13 @@ jobs:
           sudo apt update
           sudo apt build-dep -y "${{ github.workspace }}/src/github.com/snapcore/snapd"
 
+    - name: Install the go version
+    - uses: actions/checkout@v4
+    - uses: actions/setup-go@v5
+      with:
+        go-version: '1.18.10'
+    - run: go version
+
     - name: Install the go snap
       run: |
           sudo snap install --classic --channel="${{ matrix.gochannel }}" go